package com.kfm.servlet;

import com.wf.captcha.GifCaptcha;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/captcha")
public class CaptchaServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        System.out.println("CaptchaServlet.doGet()");

        // 算术类型
        GifCaptcha captcha = new GifCaptcha(130, 48);

        String text = captcha.text();
        System.out.println(text);

        captcha.out(resp.getOutputStream());  // 输出验证码
    }
}
